• Mon

    Sep 22

    68°Lo 56°

    Mostly sunny

    Migraine Headache Weather
    • Hi
      RealFeel
      71°
    • UV
      5 - Moderate
    • Cloud
      Cover
      26%
    more
  • Tue

    Sep 23

    63°Lo 51°

    Cloudy with showers

    Migraine Headache Weather
    • Hi
      RealFeel
      60°
    • UV
      2 - Low
    • Cloud
      Cover
      96%
    more
  • Wed

    Sep 24

    73°Lo 56°

    Partly sunny and warmer

    Migraine Headache Weather
    • Hi
      RealFeel
      72°
    • UV
      4 - Moderate
    • Cloud
      Cover
      36%
    more
  • Thu

    Sep 25

    73°Lo 57°

    An afternoon shower

    Migraine Headache Weather
    • Hi
      RealFeel
      70°
    • UV
      4 - Moderate
    • Cloud
      Cover
      65%
    more
  • Fri

    Sep 26

    70°Lo 56°

    Overcast, a t-storm in spots

    Migraine Headache Weather
    • Hi
      RealFeel
      70°
    • UV
      4 - Moderate
    • Cloud
      Cover
      85%
Next Previous
Hi 70° RealFeel® 70° Precipitation 40%

Day

N

E

S

W

  • NNW 3 mph
  • Gusts: 8 mph

Considerable clouds with a shower or thunderstorm in the area

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 56° RealFeel® 50° Precipitation 55%

Night

N

E

S

W

  • ESE 3 mph
  • Gusts: 15 mph

Mostly cloudy with a shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Sep 26

more Historical Weather Data >
  Today Normal Record 9/26/2013
High 70° 68° N/A 74°
Low 56° 44° N/A 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 11:59 of sunlight, then sets at 6:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:04 AM with 10:56 of moolight, then sets at 8:00 PM

Top Story

Crystal Lake Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 4:05 AM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. more >